streptomycin, c21h39n7o12 molecule. it is an aminoglycoside antibiotic. structural chemical formula on the dark blue background

actinomycete aminoglycoside antibacterial antibiotic antifungal antimicrobial atom atomic bacteria bacterial bactericidal bacterium blue c21h39n7o12 carbon chemical chemistry dark drawing drug flat formula fungicide hydrogen icon illustration inhibitor microbe microorganism molecular molecule mycobacteria mycobacterium nitrogen oxygen pestis plague protein streptidine streptomyces streptomycin structural structure tuberculosis vector white yersinia